<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form class="reg" :model="formData" :rules="formRules" ref="formRef">
        <el-form-item prop="username">
          <el-input
            v-model="formData.username"
            placeholder="请输入用户名"
            prefix-icon="el-icon-user"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            type="password"
            v-model="formData.password"
            prefix-icon="el-icon-lock"
            placeholder="请输入密码"
          ></el-input>
        </el-form-item>
        <el-form-item prop="repassword">
          <el-input
            type="password"
            v-model="formData.repassword"
            placeholder="请确认输入的密码"
            prefix-icon="el-icon-lock"
          ></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" style="width: 100%" @click="submitForm"
            >注册</el-button
          >
          <el-link @click="doClick">去登录</el-link>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Reg',
  data() {
    var Paswod = (rule, value, callback) => {
      if (value === '') {
        callback(new Error('请输入密码'))
      } else if (value !== this.formData.password) {
        callback(new Error('两次密码输入不一致'))
      } else {
        callback()
      }
    }

    return {
      // 收集设置的表单
      formData: {
        username: '',
        password: '',
        repassword: '',
      },
      //表单的校验规则对象,存储了所有的验证规则
      formRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            pattern: /^[0-9a-zA-Z]{1,10}$/,
            message: '请输入1-10位数的用户名',
            trigger: 'blur',
          },
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            pattern: /^\S{6,15}$/,
            message: '请输入6-15位数的用户名',
            trigger: 'blur',
          },
        ],

        repassword: [
          { required: true, message: '请确认密码', trigger: 'blur' },
          {
            pattern: /^\S{6,15}$/,
            message: '请输入6-15位数的用户名',
            trigger: 'blur',
          },
          { validator: Paswod },
        ],
      },
    }
  },
  methods: {
    submitForm() {
      // this.$refs.formRef 获取form组件 , 使用form组件调用validate(函数)
      this.$refs.formRef.validate(async (valid) => {
        // valid , 返回值是一个true || false
        // -所有的校验通过了,返回才是true,name只要有一项校验失败,返回的是false
        if (!valid) return //校验失败
        //校验通过发送ajax
        const { data: res } = await this.$http.post('/api/reg', this.formData)
        console.log('res', res)
        //注册失败
        if (res.code !== 0) return this.$message.error('用户名被占用了哟!')
        //注册成功
        // console.log('ok');
        this.$message.success('恭喜您,注册成功')
        this.$router.push('/login')
      })
    },
    doClick() {
      this.$router.push('/login')
    },
  },
}
</script>

<style lang="less" scoped>
.reg-container {
  background: url('../../assets/images/login_bg.jpg') center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .reg {
      padding: 0 25px;
    }

    .title-box {
      height: 60px;
      background: url('../../assets/images/login_title.png') center no-repeat;
    }
  }
}
</style>

